AWS SnapStart - Part 19 Measuring cold starts and deployment time with Java 17 using different Lambda memory settings

• AWSLambdaJavaSnapStart

  17 4 9.1 Java

In our experiment we'll re-use the application introduced in part 8 for this. Here is the code for the sample application. There are basically 2 Lambda functions which both respond to the API Gateway requests and retrieve product by id received from the Api Gateway from DynamoDB. One Lambda function GetProductByIdWithPureJava17Lambda can be used with and without SnapStart and the second one GetProductByIdWithPureJava17LambdaAndPriming uses SnapStart and DynamoDB request invocation priming. We'll measure cold starts using the following memory settings in MBs : 256, 512, 768, 1024, 1536 and 2048.

• Hey

  38 17,294 0.0 Go

  HTTP load generator, ApacheBench (ab) replacement (by rakyll)

The results of the experiment below were based on reproducing approximately 100 cold starts for the duration of our experiment which ran for approximately 1 hour. For it (and all experiments from my previous articles) I used the load test tool hey, but you can use whatever tool you want, like Serverless-artillery or Postman

• InfluxDB

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